Infineon BF5030W: A High-Performance 40 V N-Channel OptiMOS Power MOSFET
In the realm of power electronics, efficiency, reliability, and thermal performance are paramount. The Infineon BF5030W stands as a premier solution, a 40 V N-Channel power MOSFET engineered within Infineon's advanced OptiMOS™ power technology platform. This device is specifically designed to meet the rigorous demands of modern applications, from automotive systems to industrial motor drives and robust DC-DC converters.
A core strength of the BF5030W lies in its exceptionally low typical on-state resistance (RDS(on)) of just 0.8 mΩ. This ultra-low resistance is a critical factor in minimizing conduction losses during operation. When a MOSFET is fully switched on, a lower RDS(on) means less energy is wasted as heat, directly translating to higher overall system efficiency and reduced need for complex cooling mechanisms. This makes the component ideal for high-current switching scenarios where every watt saved contributes to a cooler, more reliable, and more compact end-product.

Beyond its impressive electrical characteristics, the BF5030W is housed in a SuperSO8 package. This innovative packaging technology offers a significantly reduced footprint compared to standard D2PAK or DPAK packages while providing superior thermal and electrical performance. The package's low parasitic inductance is crucial for managing voltage spikes during fast switching events, enabling cleaner and more efficient operation at high frequencies. Furthermore, its excellent thermal conductivity ensures that heat is effectively dissipated from the silicon die, allowing the MOSFET to handle high power levels without compromising its integrity or lifespan.
The combination of low RDS(on) and fast switching capabilities also contributes to reduced switching losses. This is vital for applications like switch-mode power supplies (SMPS), where operating frequencies continue to increase to allow for smaller passive components. The 40 V drain-source voltage (VDS) rating makes it a perfect fit for 24 V bus systems common in industrial automation, telecommunications infrastructure, and automotive auxiliary subsystems, providing a comfortable safety margin for enhanced robustness against voltage transients.
ICGOOODFIND: The Infineon BF5030W OptiMOS™ MOSFET is a superior choice for designers seeking to maximize power conversion efficiency and power density. Its unbeatable combination of ultra-low RDS(on), high current handling, and advanced SuperSO8 packaging sets a high benchmark for performance in 40 V power switching applications.
Keywords: OptiMOS™, Low RDS(on), SuperSO8 Package, High Efficiency, Power Switching.
